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KF2-Dev-Scripts/Engine/Classes/MaterialExpressionDepthBiasedAlpha.uc

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2020-12-13 15:01:13 +00:00
/**
* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
*/
class MaterialExpressionDepthBiasedAlpha extends MaterialExpression
native(Material)
collapsecategories
hidecategories(Object);
/**
* MaterialExpressionDepthBiasedAlpha:
* Determines the alpha based on the following formula:
* Alpha =
* for use in a material
*/
/** normalize the depth values to [near,far] -> [0,1] */
var() bool bNormalize;
/**
* The bias scale value
*/
var() float BiasScale;
/**
* The source alpha input
*/
var ExpressionInput Alpha;
/**
* The depth bias input
* This can be a constant, texture sample, etc.
*
* NOTE: No bias expression indicates a bias of 1.0f.
*/
var ExpressionInput Bias;
cpptext
{
/**
* Compile the material expression
*
* @param Compiler Pointer to the material compiler to use
*
* @return INT The compiled code index
*/
virtual INT Compile(FMaterialCompiler* Compiler, INT OutputIndex);
/**
*/
virtual INT GetWidth() const;
/**
*/
virtual FString GetCaption() const;
/**
*/
virtual INT GetLabelPadding() { return 8; }
/**
* Replaces references to the passed in expression with references to a different expression or NULL.
* @param OldExpression Expression to find reference to.
* @param NewExpression Expression to replace reference with.
*/
virtual void SwapReferenceTo(UMaterialExpression* OldExpression,UMaterialExpression* NewExpression = NULL);
}
defaultproperties
{
BiasScale=1.0
MenuCategories(0)="Depth"
}